Check out sandbag set pile of sacks Low-poly 3D model on CGTrader for $49. High-quality mesh by icekazim: 660 polys, 332 vertices. Textured, UV Mapped.
OBJ (OBJ, filesize: 62.1 MB), BLEND (Blender, filesize: 62.1 MB), FBX (Autodesk FBX, filesize: 62.1 MB)